APA (7e ed.) Bronvermelding

Seminar on Travel and Tourism Stresa, Italy, & European Society for Opinion and Marketing Research. (1977). Seminar on "Travel and Tourism", Stresa, 19th-22nd October, 1977. European Society for Opinion and Marketing Research Association.

Chicago (17e ed.) Bronvermelding

Seminar on Travel and Tourism Stresa, Italy, en European Society for Opinion and Marketing Research. Seminar on "Travel and Tourism", Stresa, 19th-22nd October, 1977. Amsterdam: European Society for Opinion and Marketing Research Association, 1977.

MLA (9e ed.) Bronvermelding

Seminar on Travel and Tourism Stresa, Italy, en European Society for Opinion and Marketing Research. Seminar on "Travel and Tourism", Stresa, 19th-22nd October, 1977. European Society for Opinion and Marketing Research Association, 1977.